The superiority of the Su-35 relative to Ukrainian aircraft is part of why the Ukrainians have pushed their Western allies for Western fighters like the F-16.
Russia's modified Su-57 Felon 5th generation variant installed with a new powerplant could pass more tests, making it an effective fighter when mass-produced.
Let s Talk About Russian Test Pilot Sergey Bogdan s Impressive Su-57 Display at MAKS 2019 theaviationist.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theaviationist.com Daily Mail and Mail on Sunday newspapers.